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The DRIERITE Laboratory Air and Gas Drying unit is an all-purpose drier. This unit is suitable for most laboratory applications. It will

dry air to a dew point of 100° F at atmospheric pressure or pressures up to 90 psig. A simple connection by rubber hose to the

bottom inlet of the dryer provides an immediate flow of dry air or gas. This unit is also available with 1 /8 inch SS NPT fittings (Stock No. 26840).

Plastic coated mounting clips may be purchased separately. Continuous flows are possible with two units in the line and the necessary valves

so that the exhausted column may be refilled while the alternate column remains in use.

Note: Do not use this drier in the presence of vapors or liquids containing phosphate esters, synthetic lubricants, hydrocarbon

solvents, methanol, acetone, lacquer solvents, or other organics.

APPLICATIONS: The Laboratory Gas Drying Unit can be used anywhere to provide dry air or gas for applications such as: blanketing, sample

preparation, instrument protection, reaction mixtures, purging, vacuum release, venting with dry air.

Color Change

The Indicating DRIERITE gives constant visual assurance of active desiccant. When active, Indicating DRIERITE is a distinct blue color. When

exhausted, it turns pink. The zone between the two colors in the column may be a purple color and should be a sharp narrow band when the flow

rate is at equilibrium. Regeneration will restore the drying capacity.

Refilling/Regeneration

The Laboratory Gas Drying Unit can be refilled with fresh DRIERITE, or the DRIERITE granules can be removed from the column and regenerated.

See Regeneration of Drierite Desiccants for details.

SPECIFICATIONSSPECIFICATIONS

Construction:  

Column is molded polycarbonate. Desiccant supports and coil spring are stainless steel. Polycarbonate cap is fitted with o-ring gasket. DRIERITE is held firmly in place between felt filters.

Dimensions:  

2 5/8" x 11 3/8"

Max working pressure:  

90 psig

Connections:  

Hose barbs for flexible tubing ( 1/4" - 3/8" ) #26800 1/8" SS NPT fittings #26840

Desiccant:  

1 1/4 Ib. 8 mesh Indicating DRIERITE

Water capacity:  

50 grams

Recommended flow rate:  

200 liters per hour or scfm for maximum efficiency

Pressure drop:  

<.01 psi at 200 lph

STOCK NO.   DESCRIPTION

26800

Laboratory Gas Drying Unit (with hose barbs)  

26840

Laboratory Gas Drying Unit (with 1/8" SS NPT fittings)

26809

Mounting Clip  

Replacement Indicating DRIERITE

23001

1 lb. 8 mesh  

23005

5 lb. 8 mesh

23025

25 lb. 8 mesh  

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